Parts · Transistors
BC108
Si NPN BJT TO-18 / TO-92 TH.58 circuits use this part. Listed as: Semiconductors; 2N3904; BJT transistor, NPN TO-18; NPN Si Transistor 2n3904, 2n2222a, BC550, etc Any medium to; Trans-Can-WIDE.
Datasheet · archived copy from Siemens; the part is discontinued and the maker no longer publishes it
Substitutes Si NPN transistor
Matched on material, polarity and the limits below from the transistor parameter database. Pinouts and packages are not in that data: check the datasheet before you drop one in, and expect gain to change the sound.
This part
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| BC108 | 120 | 20 V | 100 mA | 0.3 W | 150 MHz |
Used on other boards here
| Part | hFE min | Vce | Ic | Pc | fT | Boards |
|---|---|---|---|---|---|---|
| S8050 | 120 | 25 V | 500 mA | 0.3 W | 150 MHz | 1 |
| BC183 | 120 | 30 V | 200 mA | 0.3 W | 150 MHz | 7 |
| BC183A | 120 | 30 V | 200 mA | 0.3 W | 150 MHz | 3 |
| KC508 | 125 | 20 V | 100 mA | 0.3 W | 175 MHz | 1 |
| BC238 | 110 | 20 V | 100 mA | 0.3 W | 150 MHz | 2 |
| BC182 | 120 | 50 V | 200 mA | 0.3 W | 150 MHz | 7 |
| PN4124 | 120 | 25 V | 200 mA | 0.625 W | 170 MHz | 2 |
| BC107 | 110 | 45 V | 100 mA | 0.3 W | 150 MHz | 13 |
Closest by the numbers
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| BC109A | 120 | 20 V | 100 mA | 0.3 W | 150 MHz |
| BC585 | 120 | 20 V | 100 mA | 0.35 W | |
| BC208A | 125 | 20 V | 100 mA | 0.3 W | 150 MHz |
| BC386A | 125 | 20 V | 100 mA | 0.3 W | 150 MHz |
| BCAP08 | 125 | 20 V | 100 mA | 0.3 W | 150 MHz |
| BCAP08A | 125 | 20 V | 100 mA | 0.3 W | 150 MHz |
| 2SC2986Y | 120 | 30 V | 50 mA | 0.3 W | 150 MHz |
| 2SC735Y | 120 | 30 V | 400 mA | 0.3 W | 150 MHz |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Crazy Diamond 2N2219A · BC108 Colorsound Overdriver · 125B | Colorsound Overdriver | Overdrive | Dead End FX | 125B | 4 | $12.00 | 33 | |
| Zuperbee 2N4401 · 2N5089 · BC108 Smallsound/Bigsound Buzzz · 1590BBS | Smallsound/Bigsound Buzzz | Fuzz | Dead End FX | 1590BBS | 4 | $15.00 | 72 | |
| Apocalypse Audio Green Bomb Fuzz Vero14×12 Verified BC108 · BC109C Apocalypse Audio Green Bomb Fuzz | Apocalypse Audio Green Bomb Fuzz | Fuzz | Dirtbox Layouts | — | 3 | — | 18 | |
| Blackhawk Amplifiers Volume IV Vero17×14 Verified BC108 · OC141 Blackhawk Amplifiers Volume IV | Blackhawk Amplifiers Volume IV | Boost | Dirtbox Layouts | — | 2 | — | 19 | |
| Colorsound Fuzz Box Vero12×8 Verified BC108 · BC109 Colorsound Fuzz Box | Colorsound Fuzz Box | Fuzz | Dirtbox Layouts | — | 1 | — | 15 | |
| Fuzzlord Effects Void Master Vero14×8 Verified BC108 · BC109 Fuzzlord Effects Void Master | Fuzzlord Effects Void Master | Fuzz | Dirtbox Layouts | — | 1 | — | 16 | |
| God City Instruments Baracus Fuzz Vero13×12 Verified BC108 · NPN GERMANIUM God City Instruments Baracus Fuzz | God City Instruments Baracus Fuzz | Fuzz | Dirtbox Layouts | — | 3 | — | 20 | |
| Lumpy's Tone Shop Lemon Drop OD Vero14×12 Verified 2N5457 · BC108 Lumpy's Tone Shop Lemon Drop OD | Lumpy's Tone Shop Lemon Drop OD | Overdrive | Dirtbox Layouts | — | 3 | — | 22 | |
| Malekko Plus Ultra 213 (fuzz section) Vero19×17 Verified BC108 Malekko Plus Ultra 213 (fuzz section) | Malekko Plus Ultra 213 (fuzz section) | Distortion | Dirtbox Layouts | — | 3 | — | 26 | |
| Reeves Electro Supa J Vero16×13 Verified 2N2222A · BC108 · BC108C Reeves Electro Supa J | Reeves Electro Supa J | Fuzz | Dirtbox Layouts | — | 2 | — | 26 | |
| Smallsound / Bigsound Buzzz Vero22×22 Unverified 2N4401 · 2N5089 · BC108 Smallsound/Bigsound Buzzz | Smallsound/Bigsound Buzzz | Fuzz | Dirtbox Layouts | — | 4 | — | 42 | |
| Tesla AYZ-025 Fuzz Wah Vero22×23 Unverified BC108 Tesla AYZ-025 Fuzz Wah | Tesla AYZ-025 Fuzz Wah | Fuzz | Dirtbox Layouts | — | 4 | — | 42 | |
| VFE Pedals Fuzz Duo Vero16×16 Unverified BC108 · OC139 VFE Fuzz Duo | VFE Fuzz Duo | Fuzz | Dirtbox Layouts | — | 4 | — | 22 | |
| One-Knobber BC108 · BC109 1590A | — | Fuzz | Effects Layouts | 1590A | 1 | $4.25 | 15 | |
| Analogman Sunface Perfboard Verified BC108 Analogman Sunface | Analogman Sunface | Fuzz | Effects Layouts (blog) | — | 3 | — | 16 | |
| Apocalypse Audio Green Bomb Fuzz Perfboard Verified BC108 · BC109C Apocalypse Audio Green Bomb Fuzz | Apocalypse Audio Green Bomb Fuzz | Fuzz | Effects Layouts (blog) | — | 3 | — | 17 | |
| Dunlop JH-F1 Jimi Hendrix Fuzz Face Perfboard Verified BC108 Dallas Arbiter Fuzz Face · 1590A | Dallas Arbiter Fuzz Face | Fuzz | Effects Layouts (blog) | 1590A | 2 | — | 18 | |
| NPN Fuzz Face Perfboard Verified BC108 Dallas Arbiter Fuzz Face · 1590A | Dallas Arbiter Fuzz Face | Fuzz | Effects Layouts (blog) | 1590A | 2 | — | 14 | |
| VFE Fuzz Duo Perfboard Verified BC108 · OC139 VFE Fuzz Duo | VFE Fuzz Duo | Fuzz | Effects Layouts (blog) | — | 5 | — | 24 | |
| Vox Repeat Percussion Tremolo Perfboard Verified 2N2646 · BC108 · BC109 Vox Repeat Percussion · 1590A | Vox Repeat Percussion | Tremolo | Effects Layouts (blog) | 1590A | 1 | — | 22 | |
| Building the Gristleizer 2N3819 · 741 · BC108 · BC187 | — | Fuzz | Experimentalists Anonymous | — | 3 | — | 52 | |
| Distortion Boost BC108 | — | Distortion | Experimentalists Anonymous | — | — | — | 9 | |
| Uknown Distortion Booster BC108 | — | Distortion | Experimentalists Anonymous | — | — | — | 9 | |
| Jimi Fuzz BC108 Dunlop JHF1 | Dunlop JHF1 | Fuzz | Five Cats Pedals | — | 2 | £4.00 | 18 | |
| Lemming Drop 2N5457 · BC108 Lumpy's Tone Shop Lemon Drop OD | Lumpy's Tone Shop Lemon Drop OD | Overdrive | Five Cats Pedals | — | 5 | £4.50 | 29 | |
| One Knob Fuzz Guitar PCB BC108 · BC109 Colorsound 1-Knob Fuzz D*A*M Meathead D*A*M Meathead - Dark Dr.Tony.Balls 1966 Black Arts Toneworks Ritual Fuzz · 1590A | Colorsound 1-Knob Fuzz D*A*M Meathead D*A*M Meathead - Dark Dr.Tony.Balls 1966 Black Arts Toneworks Ritual Fuzz | Fuzz | Five Cats Pedals | 1590A | 1 | £4.00 | 15 | |
| Vintage Style Fuzz Face BC108 1590B | — | Fuzz | Five Cats Pedals | 1590B | 2 | £7.00 | 16 | |
| Vintage Style Fuzz Face BC108 | — | Fuzz | Five Cats Pedals | — | 2 | £8.00 | 16 | |
| Lemmo Drop Drive 2N5457 · BC108 Lumpy's Tone Shop Lemon Drop OD · 1590B | Lumpy's Tone Shop Lemon Drop OD | Overdrive | Fuzz Dog | 1590B | 3 | £26.40 | 25 | |
| One Knob Fuzz BC108 · BC109 Colorsound One Knob Fuzz · 1590B | Colorsound One Knob Fuzz | Fuzz | Fuzz Dog | 1590B | 1 | £21.60 | 12 | |
| Supa-J Fuzz 2N2222A · BC108 · BC108C Reeves Electro Supa J · 1590B | Reeves Electro Supa J | Fuzz | Fuzz Dog | 1590B | 2 | £38.40 | 27 | |
| Baracus V1.6 2N1306 · BC108 Baldwin-Burns Buzzaround · 125B | Baldwin-Burns Buzzaround | Fuzz | God City Instruments | 125B | 2 | $10.00 | 34 | |
| Cyclops Fuzz BC108 · BC109 Colorsound One Knob Fuzz | Colorsound One Knob Fuzz | Fuzz | Griffin Effects | — | — | $6.00 | 13 | |
| One Knob Fuzz v2 BC108 · BC109 | — | Fuzz | GuitarPCB | — | 1 | $5.95 out | 16 | |
| Li'l fuzz BC108 Dallas Arbiter Fuzz Face | Dallas Arbiter Fuzz Face | Fuzz | Moody Sounds | — | 1 | kr650.00 out | 12 | |
| Vintage Wah CV10805 OR BC108 · TL081 | — | Wah / Envelope | Moody Sounds | — | 6 | kr1495.00 out | 19 | |
| Casually Burning Face BC108 Analogman Sunface BC108 | Analogman Sunface BC108 | Fuzz | Moonn Electronics | — | 4 | €4.50 | 16 | |
| Höf A Nice Day BC108 Höfner Buzztone | Höfner Buzztone | Fuzz | Moonn Electronics | — | 2 | €4.50 | 20 | |
| Fuzz Face BC108 Dallas Arbiter Fuzz Face | Dallas Arbiter Fuzz Face | Fuzz | PCBWay: Glory to Ukraine | — | 2 | — | 15 | |
| Fuzz Face (Silicon) BC108 Dallas Arbiter Fuzz Face | Dallas Arbiter Fuzz Face | Fuzz | PCBWay: Glory to Ukraine | — | 2 | — | 15 | |
| One Knob Fuzz BC108 · BC109 Colorsound One Knob Fuzz | Colorsound One Knob Fuzz | Fuzz | PCBWay: Glory to Ukraine | — | 1 | — | 13 | |
| Sunface (BC108) BC108 Analogman Sunface BC108 | Analogman Sunface BC108 | Other | PCBWay: Glory to Ukraine | — | 3 | — | 16 | |
| Lemonade Overdrive 2N5457 · BC108 Lumpy's Tone Shop Lemon Drop OD · 125B | Lumpy's Tone Shop Lemon Drop OD | Fuzz | PedalPCB | 125B | 3 | $8.00 | 28 | |
| Sandspur Fuzz BC108 Analogman Sunface BC108 · 125B | Analogman Sunface BC108 | Fuzz | PedalPCB | 125B | 5 | $8.00 | 17 | |
| SiliSmile Fuzz BC108 Dallas Arbiter Fuzz Face · 125B | Dallas Arbiter Fuzz Face | Fuzz | PedalPCB | 125B | 2 | $8.00 | 16 | |
| Dunlop JH-F1 Jimi Hendrix Fuzz Face Vero BC108 Dallas Arbiter Fuzz Face | Dallas Arbiter Fuzz Face | Fuzz | Revolution Deux | — | 2 | — | 15 | |
| Fred Briggs Fuzz 2N5088 · ? · BC108 Fred Briggs Fuzz | Fred Briggs Fuzz | Fuzz | Revolution Deux | — | 4 | — | 22 | |
| Fred Briggs Unknown Fuzz 2N5088 · BC108 Briggs' Unknown Fuzz | Briggs' Unknown Fuzz | Fuzz | Revolution Deux | — | 5 | — | 21 | |
| Sharp-shinned Fuzz BC107 · BC108 D*A*M Meathead · 1590A | D*A*M Meathead | Fuzz | RWL Pedals | 1590A | 1 | — | 17 | |
| Briggs' Unknown Fuzz Vero17×10 Verified 2N5088 · BC108 Briggs' Unknown Fuzz | Briggs' Unknown Fuzz | Fuzz | Tagboard Effects | — | 3 | — | 20 | |
| Colorsound One Knob Fuzz Vero10×8 Verified BC108 · BC109 Colorsound One Knob Fuzz · 1590A | Colorsound One Knob Fuzz | Fuzz | Tagboard Effects | 1590A | 1 | — | 13 | |
| Dragonfly Saturn Five Vero14×8 Verified BC108 Dragonfly Saturn Five | Dragonfly Saturn Five | Fuzz | Tagboard Effects | — | 2 | — | 10 | |
| Lumpy's Tone Shop Lemon Drop/ZII/Series 7 Vero14×11 Verified 2N5457 · BC108 Lumpy's Tone Shop Lemon Drop OD | Lumpy's Tone Shop Lemon Drop OD | Preamp / Amp-in-a-box | Tagboard Effects | — | 3 | — | 21 | |
| VFE Pedals Fuzz Duo Vero16×14 Verified BC108 · OC139 VFE Fuzz Duo | VFE Fuzz Duo | Fuzz | Tagboard Effects | — | 4 | — | 27 | |
| Fuzz Face 2N3906 / BC108 / BC109 Dallas Arbiter Fuzz Face | Dallas Arbiter Fuzz Face | Fuzz | Tayda Electronics (DHEA) | — | 2 | $6.00 | 12 | |
| Fuzz Face (with DC inverter) 2N3906 / BC108 / BC109 · TC1044 · TC1044SCPA Dallas Arbiter Fuzz Face | Dallas Arbiter Fuzz Face | Fuzz | Tayda Electronics (DHEA) | — | 3 | $6.00 | 18 | |
| One Knob Fuzz BC108 · BC109 | — | Fuzz | Tayda Electronics (DHEA) | — | 1 | $6.00 | 14 | |
| Dunlop JH-F1 Jimi Hendrix Fuzz Face Perfboard BC108 OR BC107 Dallas Arbiter Fuzz Face | Dallas Arbiter Fuzz Face | Fuzz | turretboard.org | — | 2 | — | 11 |